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ICS87952AYIT PDF预览

ICS87952AYIT

更新时间: 2024-09-30 20:03:15
品牌 Logo 应用领域
艾迪悌 - IDT 驱动逻辑集成电路
页数 文件大小 规格书
9页 119K
描述
PLL Based Clock Driver, 11 True Output(s), 0 Inverted Output(s), PQFP32, 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-32

ICS87952AYIT 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:QFP
包装说明:LQFP,针数:32
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.47输入调节:MUX
JESD-30 代码:S-PQFP-G32JESD-609代码:e0
长度:7 mm逻辑集成电路类型:PLL BASED CLOCK DRIVER
湿度敏感等级:3功能数量:1
反相输出次数:端子数量:32
实输出次数:11最高工作温度:85 °C
最低工作温度:-40 °C输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:LQFP
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE
峰值回流温度(摄氏度):240传播延迟(tpd):0.2 ns
认证状态:Not QualifiedSame Edge Skew-Max(tskwd):0.55 ns
座面最大高度:1.6 mm最大供电电压 (Vsup):3.465 V
最小供电电压 (Vsup):3.135 V标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:TIN LEAD端子形式:GULL WING
端子节距:0.8 mm端子位置:QUAD
处于峰值回流温度下的最长时间:20宽度:7 mm
最小 fmax:180 MHzBase Number Matches:1

ICS87952AYIT 数据手册

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PRELIMINARY  
ICS87952I  
Integrated  
Circuit  
Systems, Incꢀ  
LOW SKEW, 1-TO-11  
LVCMOS / LVTTL CLOCK MULTIPLIER/ZERO DELAY BUFFER  
GENERAL DESCRIPTION  
FEATURES  
The ICS87952I is a low voltage, low skew LVCMOS/  
Fully integrated PLL  
,&6  
LVTTL clock generator and a member of the  
11 LVCMOS / LVTTL outputs, 7typical output impedance  
LVCMOS / LVTTL REF_CLK input  
HiPerClockS™  
HiPerClockS™ family of High Performance Clock  
Solutions from ICS. With output frequencies up to  
180MHz, the ICS87952I is targeted for high  
Output frequency range up to 180MHz at VDD = 3.3V ± 5%  
VCO range: 200MHz to 480MHz  
performance clock applications. Along with a fully integrated PLL,  
the ICS87952I contains frequency configurable outputs and an  
external feedback input for regenerating clocks with “zero delay”.  
External feedback for “zero delay” clock regeneration  
Cycle-to-cycle jitter: 100ps (typical)  
3.3V supply voltage  
For test and system debug purposes, the nPLL_EN input al-  
lows the PLL to be bypassed. When HIGH, the MR/nOE input  
resets the internal dividers and forces the outputs to the high  
impedance state.  
-40°C to 85°C ambient operating temperature  
Compatible with MPC952  
The low impedance LVCMOS/LVTTL outputs of the ICS87952I  
are designed to drive terminated transmission lines. The effec-  
tive fanout of each output can be doubled by utilizing the ability  
of each output to drive two series terminated transmission lines.  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
nPLL_EN  
24 23 22 21 20 19 18 17  
1
0
0
1
REF_CLK  
FB_IN  
÷4/÷6  
QA0  
VDDO  
QB2  
25  
26  
27  
28  
29  
30  
31  
32  
16  
15  
14  
13  
12  
11  
10  
9
VDDO  
PHASE  
VCO  
200-480MHz  
÷2  
QA1  
QA2  
QA3  
QA4  
DETECTOR  
QA2  
QB3  
QA1  
GNDO  
GNDO  
QC0  
GNDO  
QA0  
LFP  
ICS87952I  
VCO_SEL  
F_SELA  
VDD  
QC1  
VDDA  
÷4/÷2  
QB0  
QB1  
QB2  
QB3  
VDDO  
nPLL_EN  
1
2
3
4
5
6
7
8
F_SELB  
32-Lead LQFP  
7mm x 7mm x 1.4mm package body  
÷2/÷4  
QC0  
QC1  
F_SELC  
MR/nOE  
Y package  
Top View  
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial  
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.  
87952AYI  
www.icst.com/products/hiperclocks.html  
REV. A DECEMBER 12, 2002  
1

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